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Play for providing a predetermined length of unwound cable
Play for providing a predetermined length of unwound cable
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机译：发挥作用以提供预定长度的退绕电缆
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摘要
The invention provides a winch, comprising a cable roll (140), configured to wind and unwind a cable (111), a cable, wherein one end of the cable is fixed to the cable roll, and wherein its other end is configured to electrically connect an electric device to the cable and wherein the cable is further configured to provide the electric device with electric power and/or with data, a framework (190) to which the cable roll is mounted, measuring means (130,150,155) connected to the framework and configured to provide data related to the length of the unwound part of the cable, and processing means (160) configured to control winding and unwinding of the cable, based on the data provided by the measuring means, wherein there is a predetermined fixed reference point (117) on the cable, and there is a predetermined reference state of the cable, at which the predetermined fixed reference point is at a reference position (118) in relation to a coordinate system, and wherein the length of unwound cable is defined as the distance measured along the cable, between the location of the predetermined fixed reference point and the reference position.
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